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Emile Berliner Coaxial helicopter helicopter

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Specifications Comment this helicopter
Picture Coaxial_helicopter
General
Manufacturer Emile Berliner
Type Coaxial helicopter
Introduced 6/10/1920
In production? No
Units produced 1
Price US $ 0.00
Dimensions
Overall Length 0 ft
Length 0 ft
Height 0 ft
Width 0 ft
   
   
Description This coaxial helicopter was the second attempt by Emile Berliner to design a vertical flying machine. It had an unconventional solution for direction control by using vanes to vector the downwash. It made several hops but, like many others designs in this time-frame, proved to be unstable.
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Design features
  • Rectangular frame
  • Six rectangular panels intended as vanes to vector the downwash for pitch control
  • Bicycle landing gear and tail skid
Description
This coaxial helicopter was the second attempt by Emile Berliner to design a vertical flying machine. It had an unconventional solution for direction control by using vanes to vector the downwash. It made several hops but, like many others designs in this time-frame, proved to be unstable.
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Design features:
  • Rectangular frame
  • Six rectangular panels intended as vanes to vector the downwash for pitch control
  • Bicycle landing gear and tail skid
Performance
Persons 1
Max. Range 0 mi
Cruise Speed 0 mph
Max. Speed 0 mph
Max. rate of Climb 0 ft/min
HOGE ceiling 0 ft
Service Ceiling 0 ft
Gross Weight 0 lb
Empty Weigt 0 lb
Useful Load 0 lb
Dynamic system
Fuel Capacity 0 gallons
Number of Engines 1
Engine Type Piston
Engine Code
Horse Power
Rotorhead Coaxial
Number of rotorblades 2
Rotor Diameter 0 ft
Number of tail rotorblades 0
Tailrotor Diameter 0 ft
Blueprints & model
Manufacturer Website manufacturer..
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